Milwaukee Police Department Bombing

Date: November 24, 1917 • Location: Milwaukee County, United States

In Milwaukee, nine members of the Milwaukee Police Department are killed by a bomb, the most deaths in a single event in U.S. police history until the September 11 attacks in 2001.

Milwaukee is the most populous city in the U.S. state of Wisconsin. Located on the western shore of Lake Michigan, it had a population of 577,222 at the 2020 census, making it the 31st-most populous city in the United States and the fifth-most populous city in the Midwest. The Milwaukee metropolitan area has over 1.57 million residents and ranks as the 40th-largest metropolitan area in the nation. The city is the county seat of Milwaukee County.